LiftMaster 041A5665 Rail Kit (7 feet) liftmaster 29-40071 Interface: 4-Wire connection (2 for

Interface: 4-Wire connection (2 for Eye

preventing accidental closures and ensuring safe operation for vehicles

Magnetic limit switch

Government

high efficiency power supply

LiftMaster 041A5665 Rail Kit (7 feet) liftmaster 29-40071 Interface: 4-Wire connection (2 forLiftMaster 041A5665 Rail Kit (7 feet) This is a 7' Rail Assembly replacement kit. For use with various Chamberlain garage door openers that have a 7' garage door. This kit is for square rail assemblies only. Check the manual for your specific model number before ordering to ensure compatibility. Genuine LiftMaster replacement part. Includes 1 pc Front Rail Section 3 pcs Middle Sections 1 pc End Rail Section Also known as LiftMaster 183C157 9